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SetCurrentConsoleFontEx (kernel32)
 
.
Summary
This function allows to set the font dimensions on consoles.

C# Signature:

    [DllImport("kernel32.dll", SetLastError = true)]
    static extern bool SetCurrentConsoleFontEx(
        IntPtr ConsoleOutput,
        bool MaximumWindow,
        CONSOLE_FONT_INFO_EX ConsoleCurrentFontEx
        );

VB Signature:

<DllImport("kernel32.dll")>

    Public Shared Function SetCurrentConsoleFontEx(ConsoleOutput As IntPtr, MaximumWindow As Boolean, ConsoleCurrentFontEx As CONSOLE_FONT_INFO_EX) As Boolean
    End Function

User-Defined Types:

    [StructLayout(LayoutKind.Sequential)]
    public struct COORD
    {
        public short X;
        public short Y;

        public COORD(short X, short Y)
        {
        this.X = X;
        this.Y = Y;
        }
    };

    [StructLayout(LayoutKind.Sequential)]
    public struct CONSOLE_FONT_INFO_EX
    {
        public uint cbSize;
        public uint nFont;
        public COORD dwFontSize;
        public ushort FontFamily;
        public ushort FontWeight;

        fixed char FaceName[32]; // this will require the assembly to be unsafe
    }

Or alternatively if you can't afford unsafe assemblies

    [StructLayout(LayoutKind.Sequential)]
    public struct CONSOLE_FONT_INFO_EX
    {
        public uint cbSize;
        public uint nFont;
        public COORD dwFontSize;
        public ushort FontFamily;
        public ushort FontWeight;

        UInt64 face0, face1, face2, face3, face4, face5, face6, face7;
    }

<StructLayout(LayoutKind.Sequential)>

    Public Structure COORD
    Public X As Short
    Public Y As Short

    Public Sub New(X As Short, Y As Short)
        Me.X = X
        Me.Y = Y
    End Sub
    End Structure

    <StructLayout(LayoutKind.Sequential)>
    Public Structure CONSOLE_FONT_INFO_EX
    Public cbSize As UInteger
    Public nFont As UInteger
    Public dwFontSize As COORD
    Public FontFamily As UShort
    Public FontWeight As UShort

    Public face0, face1, face2, face3, face4, face5, face6, face7 As UInt64
    End Structure

Alternative Managed API:

Do you know one? Please contribute it!

Notes:

// Untested, added during 1-pass copy & paste of windows console fuctions

When on Windows XP, kernel32 does NOT support SetCurrentConsoleFontEx and cannot be used. It will throw an error saying entry point not found because of this.

Minimum supported client: Windows Vista

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Sample Code:

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Documentation

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